Provider Profile
Mary Stone-Duffy, ARNP
Unclaimed ProfileAbout Mary Stone-Duffy
Mary Stone-Duffy, ARNP is a nurse practitioner practicing in West Palm Beach, FL. Mary is also listed as specializing in registered nurse. According to Medicare claims data, Mary cared for 39 Medicare patients across 151 services. The services billed most often include established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more and psychotherapy with evaluation and management visit, 30 minutes.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it — free, and no identity document with a practice or institutional email.
Education & Training
Specialty
Credentials & Licensing
License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (561) 383-8000
- Email not available
Practice Locations
1041 45TH ST
West Palm Beach, FL 33407
Procedures Most Often Billed to Medicare
151 services · 39 patients · 2 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Psychotherapy with evaluation and management visit, 30 minutes | Treatment | 90833 |
64 | As often as other peers in NURSE PRACTITIONER |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
87 | As often as other peers in NURSE PRACTITIONER |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Related specialists at this location 2
Clinically related specialties at the same address — the people this provider most likely works alongside.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Other nurse practitioners in West Palm Beach 8
Same specialty, same city.
More connections — 24 related providers in 3 groups
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
Class of 2004 at Other 8
Providers who graduated from the same medical school in the same year.
Also performs Psychotherapy with evaluation and management visit, 30 minutes 8
Providers in FL who bill this service to Medicare most often.
Common questions
What does Mary Stone-Duffy specialize in?
Mary Stone-Duffy is a nurse practitioner in West Palm Beach, FL. That is the designation recorded for this NPI in the federal registry.
NPI registry
Where is Mary Stone-Duffy located?
Mary Stone-Duffy is listed at 1041 45Th St, West Palm Beach, FL 33407. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Mary Stone-Duffy's phone number?
The number on file is (561) 383-8000. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Mary Stone-Duffy's NPI number?
Mary Stone-Duffy's National Provider Identifier is 1851467914. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Where did Mary Stone-Duffy train?
Mary Stone-Duffy attended Other, graduating in 2004. This comes from the CMS National Downloadable File.
CMS public data
How long has Mary Stone-Duffy been practicing?
Mary Stone-Duffy has 22 years experience. Calculated from a graduation year of 2004, reported in the CMS National Downloadable File.
CMS public data
What does Mary Stone-Duffy do most often?
According to Medicare billing data, Mary Stone-Duffy provides treatments such as psychotherapy with evaluation and management visit, 30 minutes, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Mary Stone-Duffy confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Mary Stone-Duffy. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.